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Q.

CFC’s are effective scavengers for ozone due to

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a

Photolytic reaction of O2 producing Cl radicals

b

Photolytic decomposition of CFC's producing chloride ions

 

c

Photolytic decomposition of CFC's producing Cl radicals

d

Photolytic decomposition of O3 producing O2

answer is C.

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Detailed Solution

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Given: CFC’s are effective scavengers.Cl

Formula\concept used: Environmental chemistry

Detailed solution: CFCs liberate chlorine atoms and absorb UV radiation in the stratosphere which in turn destroys the ozone layer.

Chemical reaction:

CFCl3hvUvCFCl2*+Cl*

Therefore, option C is correct.

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